Federated Prime Cash Obligations Fund

A Portfolio of Money Market Obligations Trust

AUTOMATED SHARES (TICKER PTAXX)
CLASS R SHARES(TICKER PTRXX)
WEALTH SHARES (TICKER PCOXX)
SERVICE SHARES (TICKER PRCXX)
CASH II SHARES (TICKER PCDXX)
CASH SERIES SHARES (TICKER PTSXX)
CAPITAL SHARES (TICKER PCCXX)
TRUST SHARES (TICKER PTTXX)

SUPPLEMENT TO SUMMARY PROSPECTUSES, PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION DATED SEPTEMBER 30, 2016

Advisor Shares (Ticker PCVXX) of the Fund are effective with the SEC today, June 30, 2017. While the Advisor Shares are effective with the SEC, the Advisor Shares will not be offered to the public until a future date.

Please contact your financial intermediary or call 1-800-341-7400 for more information concerning the Advisor Shares.

June 30, 2017

Federated Prime Cash Obligations Fund
Federated Investors Funds
4000 Ericsson Drive
Warrendale, PA 15086-7561

Federated Securities Corp., Distributor

Q453877 (6/17)

Federated is a registered trademark of Federated Investors, Inc.
2017 ©Federated Investors, Inc.

Federated Tax-Free Obligations Fund

A Portfolio of Money Market Obligations Trust

Wealth Shares (TICKER TBIXX)
Service Shares (TICKER TBSXX)

SUPPLEMENT TO SUMMARY PROSPECTUSES, PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION DATED SEPTEMBER 30, 2016

Advisor Shares (Ticker TBVXX) of the Fund are effective with the SEC today, June 30, 2017. While the Advisor Shares are effective with the SEC, the Advisor Shares will not be offered to the public until a future date.

Contact your financial intermediary or call 1-800-341-7400 for more information concerning the Advisor Shares.

June 30, 2017

Federated Tax-Free Obligations Fund
Federated Investors Funds
4000 Ericsson Drive
Warrendale, PA 15086-7561

Federated Securities Corp., Distributor

Q453878 (6/17)

Federated is a registered trademark of Federated Investors, Inc.
2017 ©Federated Investors, Inc.

Federated Tax-Free Obligations Fund

A Portfolio of Money Market Obligations Trust

Wealth Shares (TICKER TBIXX)

SUPPLEMENT TO SUMMARY PROSPECTUS, PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION DATED SEPTEMBER 30, 2016

Contact your financial intermediary or call 1-800-341-7400 for more information concerning the Advisor Shares.

June 30, 2017

Federated Tax-Free Obligations Fund
Federated Investors Funds
4000 Ericsson Drive
Warrendale, PA 15086-7561

Federated Securities Corp., Distributor

Q453880 (6/17)

Federated Government Obligations Fund

A Portfolio of Money Market Obligations Trust

CLASS R SHARES (TICKER GRTXX)
INSTITUTIONAL SHARES (TICKER GOIXX)
SERVICE SHARES (TICKER GOSXX)
CASH II SHARES (TICKER GFYXX)
CASH SERIES SHARES (TICKER GFSXX)
CAPITAL SHARES (TICKER GOCXX)
TRUST SHARES (TICKER GORXX)
PREMIER SHARES (TICKER GOFXX)

SUPPLEMENT TO SUMMARY PROSPECTUSES, PROSPECTUS AND STATEMENT OF ADDITIONAL INFORMATION DATED SEPTEMBER 30, 2016

Advisor Shares (Ticker GOVXX) of the Fund are effective with the SEC today, June 30, 2017. While the Advisor Shares are effective with the SEC, the Advisor Shares will not be offered to the public until a future date.

Contact your financial intermediary or call 1-800-341-7400 for more information concerning the Advisor Shares.

June 30, 2017

Federated Government Obligations Fund
Federated Investors Funds
4000 Ericsson Drive
Warrendale, PA 15086-7561

Federated Securities Corp., Distributor

Q453876 (6/17)